Blueberry Muffins

adapted from recipe by food.com 1/2 cup butter or 1/2 cup margarine, at room temp [Organic Valley] 1 cup granulated sugar [raw turbinado sugar] 2 large eggs 1 teaspoon vanilla 2 teaspoons baking powder 1/4 teaspoon salt 2 cups all-purpose flour [King Arthur 100% Organic] 1/2 cup milk [almond milk] 2 1/2 cups fresh or…